15468287797 has 2 divisors, whose sum is σ = 15468287798. Its totient is φ = 15468287796.

The previous prime is 15468287767. The next prime is 15468287801. The reversal of 15468287797 is 79778286451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14441790276 + 1026497521 = 120174^2 + 32039^2 .

It is an emirp because it is prime and its reverse (79778286451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15468287797 is a prime.

It is a super-2 number, since 2×15468287797² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15468287717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7734143898 + 7734143899.

It is an arithmetic number, because the mean of its divisors is an integer number (7734143899).

Almost surely, 2^15468287797 is an apocalyptic number.

It is an amenable number.

15468287797 is a deficient number, since it is larger than the sum of its proper divisors (1).

15468287797 is an equidigital number, since it uses as much as digits as its factorization.

15468287797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47416320, while the sum is 64.

The spelling of 15468287797 in words is "fifteen billion, four hundred sixty-eight million, two hundred eighty-seven thousand, seven hundred ninety-seven".